Date of Award


Degree Type


Degree Name

Master of Science in Vision Science

Committee Chair

W. Bleything


Background. This study provides an overview of the visual system including binocularity and ocular health of students from two elementary schools in Taichung, Taiwan.

Methods. A visual screening was performed on 814 students between the ages of 6 and 11. Refractive status, visual acuities, cover test at near and far, stereopsis, phorias, ocular motilities, near point of convergence, and ocular health were assessed.

Results. The population tested tended to be myopic, however not clinically significant. Visual acuities were best corrected to 20/20 , cover tests were predominately exophoric at near and orthophoric at far, ocular motilities were mostly full and no restrictions, near point of convergences were normal, ophthalmoscopy showed no abnormal findings.

Conclusion . This group is a visually healthy population of students who do not show the high prevalence of myopia as previous studies have revealed in Asians. However, school visual screenings are still necessary in order to catch those whom can be helped and to provide data for future research on the Taiwanese visual system.

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